REFLECTOR: Cylinder repair followup

[Al Gietzen]

.  By raising the pressure with the washers, there is now

more oil being pumped through the engine than before which means more

oil is also going through the cooler.  That explains the higher oil

temps since the available cooling air is unchanged, so the oil can not

be cooled as much as before.

 

John;

 

The increased flow will reduce the delta T, the change across the cooler
(and correspondingly in/out of the engine).  Depending on other factors, for
the same air flow, the amount of heat removal would be about the same or a
higher, so the average oil temp would be a bit lower.  However; with the
heat removal air flow limited the measured oil temp out of the cooler could
be a bit higher; while the temp in (out of the engine) would be lower.  Make
sense?

 

Al

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